Correct Answer: (a) 144 and Dungarpur
Solution:About 7 percent of the total livestock of India is found in Rajasthan. Therefore, Rajasthan is a rich state in terms of livestock. Animal husbandry plays an important role in the economy of the state. According to Animal Census 2003, animal density in Rajasthan is 144 per sq. km. Dungarpur district has the highest livestock density. According to animal census 2012, Dungarpur has maximum livestock density (309) and Jaisalmer has the lowest. Animal density as per this Census is 169 per sq. km. in Rajasthan.